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| Number | Title | Issue Date |
| 8161718 | Self-propelled agricultural working machine In a self-propelled agricultural working machine having working units whose working parameters are adjustable, moving at a ground speed that is regulated automatically as a function of at least one crop-material parameter and/or one working parameter of the working ... | 04/24/2012 |
| 8061112 | Agricultural working machine with ground speed control A agricultural working machine includes at least one device for picking up crop material and transferring it to at least one intake conveyor mechanism that feeds the crop material to at least one downstream working unit that processes the crop material, and at least... | 11/22/2011 |
| 7958706 | Swather with automatic reel control In a swather formed by a tractor and attached heeder for cutting standing crop to form a swath, reel speed and optionally draper speed are controlled relative to ground speed by a control system including a manually operable input and display available to the operat... | 06/14/2011 |
| 7748202 | Agricultural harvester speed control A computer-controlled method of controlling the speed of an agricultural harvester load that is coupled to an agricultural harvester engine by a power transmitting arrangement having various output speeds. The method includes the steps of electronically receiving a ... | 07/06/2010 |
| 7739861 | Corn head clutch monitor A system for determining slippage of row unit or chopping unit slip clutches of a corn head includes a microcomputer coupled to at least one vibration sensor and a display or aural annunciator. A slipping clutch or group of clutches including a slipping clutch may b... | 06/22/2010 |
| 7555882 | Drive for a crop picking head The agricultural harvesting machine having a crop picking head includes a pickup conveyer which can be driven so as to pick up the harvested crop at a first adjustable speed, a discharge conveyer which can be driven so as to receive the harvested crop picked up by t... | 07/07/2009 |
| 7370458 | Speed control system for lawnmower engine In a lawnmower engine speed control system having an actuator moving a throttle valve and a controller controlling operation of the actuator such that the engine speed becomes equal to a predefined desired engine speed, it is determined whether the lawnmower is unde... | 05/13/2008 |
| 7168227 | Internal combustion engine traction drive with electric cutting unit drive for walking greens mower A walk-behind greens mower having a mobile structure and a ground engaging traction member rotatably coupled to the mobile structure. The ground engaging traction member imparts traction movement to the mobile structure for movement on the ground at a ground speed. ... | 01/30/2007 |
| 7096653 | Yield monitor for forage crops Yield monitor apparatus and method for a forage processing machinery are provided according to the invention. The yield monitor measures a forage yield by measuring a forage volume increment accumulation. In one embodiment of the invention, the yield monitor include... | 08/29/2006 |
| 6865870 | Combine power selection system A system for propelling a combine over the ground and driving other components of the combine includes an engine driving a transmission via a hydrostatic drive system. A microprocessor stores a work table and a road table for controlling engine speed. A gear selecto... | 03/15/2005 |
| 6681551 | Programmable function control for combine A function management system includes a programmable control unit that can automatically coordinate combine traction functions and/or implement functions. In a learn mode, the operator performs a sequence of manual manipulations of the operator controlled... | 01/27/2004 |
| 6591591 | Harvester speed control with header position input A system for harvester speed control includes a header position sensor connected to a processor. If the header is lowered during crop cutting, harvester speed is immediately decreased to prevent a sudden increase in material downstream of the feeder house... | 07/15/2003 |
| 6591145 | Systems and methods for autonomously controlling agricultural machinery Systems and methods for autonomously controlling agricultural machinery such as a grain combine. The operation components of a combine that function to harvest the grain have characteristics that are measured by sensors. For example, the combine speed, th... | 07/08/2003 |
| 6475081 | Throughput control for combines having a variable torque sensing drive An agricultural combine having a supporting structure that is driven by ground engaging wheels at a harvesting speed by a propulsion assembly. The combine is also provided with a threshing assembly that is driven by a variable torque sensing drive. The va... | 11/05/2002 |
| 6401549 | Harvesting machine with throughput measurement device A self-propelled forage harvester is provided with a throughput measurement device comprising a computer which makes use of respective signals representative of the displacement of a movable upper pre-compression roll relative to a fixed lower pre-compres... | 06/11/2002 |
| 6167685 | Windrower header speed control A system for controlling the header speed of a windrower to a set point includes a variable displacement pump producing a variable outflow of hydraulic fluid for driving the header via two hydraulic motors, the system being characterized in that the pump ... | 01/02/2001 |
| 6116005 | Method for harvesting corn using variable knife roll speed and gathering belt speed A method for harvesting crops, such as rows of corn, using a harvester, which provides independent drives and independent controls for gathering belts, and independent drives and independent controls for knife rolls used on the corn harvester. The indepen... | 09/12/2000 |
| 6109009 | Constant speed control for electric greens mower An electric mower having constant speed control. The mower is powered by a battery and a controller connected to the electric motor. The controller monitors mower operation and ensures that a constant speed is maintained while mowing and transporting even... | 08/29/2000 |
| 6112144 | Field characteristic marking system A system and method is provided for marking field characteristics, the system being supported by a work vehicle adapted to traverse a field having a plurality of observable field characteristics. The system includes an operator interface, a plurality of m... | 08/29/2000 |
| 6036597 | Combine harvester rotor load control The threshing cylinder or rotor of a combine harvester is driven by a rotor hydraulic motor. A rotor pump, driven by an internal combustion engine supplies hydraulic fluid to the rotor hydraulic motor to drive the rotor. A variable speed traction drive pr... | 03/14/2000 |
| 5995895 | Control of vehicular systems in response to anticipated conditions predicted using predetermined geo-referenced maps A control system for controlling a vehicle system at least partly in response to an anticipated condition along the vehicle's course of travel is disclosed herein. The vehicle includes a drive train powered by an engine, and the anticipated condition may ... | 11/30/1999 |
| 5953895 | Method and apparatus for pulling and chopping plant stalks An apparatus for processing plant stalks after harvesting includes a frame structure supported from a ground surface for translatory movement at a predetermined rate and in a predetermined direction along a row of plant stalks and at least one pair of pne... | 09/21/1999 |
| 5947818 | Drive system for a combine with a rotary threshing system An infinitely variable drive system is provided for a rotor assembly of a rotating threshing system of a harvesting machine, such as a combine, having other work system requiring a substantially constant speed. The drive system includes an engine having c... | 09/07/1999 |
| 5921070 | Corn head with variable knife and gathering belt speed The invention provides a harvester to harvest crops such as rows of corn. The invention provides independent drives and independent controls for gathering belts, and independent drives and independent controls for knife rolls used on a corn harvester. The... | 07/13/1999 |
| 5901535 | Feed control device for a harvesting machine method of controlling The harvesting machine includes an attachment, a feed device for material to be harvested, a cutting drum for the material to be harvested, an ejection means for conveying the material from the cutting drum, an advantageously hydrostatic drive for the fee... | 05/11/1999 |
| 5873227 | Combine harvester rotor speed control and control method The combine harvester has a threshing and separating rotor with a threshing cylinder section that cooperates with a concave to thresh crop material. A hydraulic motor drives the rotor. A hydraulic pump, driven by an internal combustion engine, supplies hy... | 02/23/1999 |
| 5855108 | Alarm monitor for belt slip in a combine An agricultural vehicle, tractor, or combine includes a slip monitoring system for determining whether a slip condition exists. The agricultural vehicle includes a combustion engine which indirectly drives a piece of equipment such as a rotor. The rotor i... | 01/05/1999 |
| 5795221 | Device for and a method of a throughput measurement in agricultural machines An agricultural machine, in particular a field chopper, has a device for measuring a throughput of harvested producted with the use of a first element which senses a vertical movement of a prepressing roller by the harvested product and a second element w... | 08/18/1998 |
| 5743073 | Automatic forage harvester knife sharpening method using first and second speed ratios A forage harvester is provided with a rotatable cutterhead (9), a solid cylindrical grinding stone (15), a motor (33) for moving the stone (15) along a path adjacent the cutterhead (9) and an adjustment mechanism for moving the stone (15) towards the cutt... | 04/28/1998 |
| 5601512 | Reverse speed control for lawn mowers A self-propelled lawn mower and control system for same which prevents the lawn mower from operating at high engine speed while in reverse, while still allowing a wide range of throttle speeds while in forward drive mode. Normally-open switches are closed... | 02/11/1997 |
| 5502957 | Electric lawn mower with intelligent control There is disclosed an electric mower, preferably of the riding type, in which microcontrollers are interposed between quadrature controllers and motors operating each of the drive wheels. The microcontrollers are programmed to provide pulse width modulate... | 04/02/1996 |
| 5447019 | Mobile garden appliance with motor drive for tool and wheels In a garden appliance provided with a traveling drive, the tools, for example a mowing tool, are driven by a motor which is also coupled to the drive wheels. Connected between the motor and drive wheels is a gear which reduces the speed of the drive wheel... | 09/05/1995 |
| 5312299 | Grain flow measuring device, in particular for harvesters A grain flow measuring device having a sensor plate, on which a piezo-crystal oscillation sensor is disposed behind an impact surface, behind which an oscillation-damping foam material body is maintained by means of doubly folded-over edges of the sensor ... | 05/17/1994 |
| 5293730 | Auger finger control mechanism A crop gathering attachment for an agricultural harvester having a rotatable auger-like conveyor for transporting crop material, a stationary crank shaft mechanism enclosed in the conveyor and having a shaft portion disposed eccentrically and parallel to ... | 03/15/1994 |
| 5025614 | Control system for a cotton harvester A control system for operating one or more different mechanisms on a cotton harvester as a function of engine speed. The control system includes an apparatus for generating a speed signal representative of current engine operating speed and control circui... | 06/25/1991 |
| 4934985 | Combine ground speed control system A combine harvester having an engine, a traction drive transmission, a header, a threshing and separating mechanism and a machine throughput control system is disclosed wherein a grain loss control loop is operable to produce a signal representative of gr... | 06/19/1990 |
| 4893241 | Crop processing apparatus Crop processing apparatus comprising crop processing means (18, 23, 24) driven by drive means (29) and an automatic control system comprising sensor means (50, 51) for sensing transmission loss in the drive means (29) and producing a corresponding transmi... | 01/09/1990 |
| 4765190 | Flow metering device In a combine harvester having a clean grain conveyor, a clean grain weight rate metering device is provided generally at the discharge end of said conveyor. The weight rate metering device includes a sensor member disposed to be acted upon by the clean gr... | 08/23/1988 |
| 4727710 | Automatic vehicle ground speed control convertible to manual operation A combine is provided with a ground speed control having manual and automatic operating modes. In the automatic operating mode, ground speed is adjusted to achieve a predetermined level of combine harvesting efficiency. A manual lever for controlling the ... | 03/01/1988 |
| 4548027 | Combine harvester There is disclosed a combine harvester in which a traveling change speed mechanism is automatically controlled in response to workload variations in order to maintain the workload within a predetermined range. In normal circumstances, controls are effecte... | 10/22/1985 |
